/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.cxf.tools.corba.idlpreprocessor;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URL;
import java.util.Arrays;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.apache.cxf.common.logging.LogUtils;
/**
*
*/
public class DefaultIncludeResolver implements IncludeResolver {
private static final Logger LOG = LogUtils.getL7dLogger(DefaultIncludeResolver.class);
private final File[] userIdlDirs;
public DefaultIncludeResolver(File... idlDirs) {
for (final File dir : idlDirs) {
if (!dir.isDirectory()) {
throw new IllegalArgumentException("not a directory: " + dir.getAbsoluteFile());
}
}
userIdlDirs = idlDirs;
}
/**
* @see IncludeResolver#findSystemInclude(java.lang.String)
*/
public URL findSystemInclude(String spec) {
return findUserInclude(spec);
}
/**
* @see IncludeResolver#findUserInclude(java.lang.String)
*/
public URL findUserInclude(String spec) {
for (final File searchDir : userIdlDirs) {
URI searchDirURI = searchDir.toURI();
try {
// offload slash vs backslash to URL machinery
URL searchDirURL = searchDirURI.toURL();
final URL url = new URL(searchDirURL, spec);
// Check if file in URL exists, otherwise try next searchDir
try {
// If we can open a stream, the file exists
InputStream str = url.openStream();
str.close();
return url;
} catch (IOException ioe) {
if (LOG.isLoggable(Level.WARNING)) {
LOG.fine("Not able to resolve "
+ spec
+ "from "
+ searchDirURL.toString());
}
}
} catch (MalformedURLException e) {
final PreprocessingException preprocessingException = new PreprocessingException(
"Unable to resolve user include '" + spec + "' in '"
+ Arrays.toString(userIdlDirs) + "'", null, 0);
preprocessingException.initCause(e);
throw preprocessingException;
}
}
throw new PreprocessingException("unable to resolve " + spec, null, 0);
}
}